Roof Drain / Scupper

Roofing terms · plain-language definition, with its source

Roofing terms · definition

Low-slope roof drainage — an internal drain or an edge scupper. Undersized or clogged drainage causes ponding and structural overload.

Source: Wikipedia — Flat Roof (Drainage)

  • Roof Estimate / Measurement Report

    Aerial or measured takeoff (squares, pitch, features) used to price a roof accurately and order the right material and waste.

  • Ridge Vent

    A continuous exhaust vent along the ridge that lets hot, moist attic air escape. The preferred exhaust in a balanced system.

  • Roof Inspection

    A professional condition assessment estimating remaining life and finding damage — recommended before buying a home, filing a claim, or b…

  • Ridge

    The horizontal top line where two roof planes meet — the highest point and a key ventilation location (ridge vent).

  • Roof Jack / Vent Flashing

    Metal flashing around roof penetrations (vents, exhausts) integrating them into the shingle water-shedding plane.

  • Replacement Cost Value (RCV)

    Coverage paying the full cost to replace the roof without depreciation, typically releasing recoverable depreciation after work is comple…

  • Roof Leak Tracing

    Diagnosing the entry point, which is usually uphill of the interior stain — most leaks originate at flashings and penetrations, not the f…

  • Recoverable Depreciation

    The depreciation amount the insurer withholds initially and pays once the roof is replaced and documented under an RCV policy.

Ready to Start Your Project?

Get a free estimate based on real Columbus contractor pricing.

Start Estimating → Read the roofing guides